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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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In Reply to: Thanks, but more questions ... posted by HKL on October 31, 2004 at 05:19:28:
If you raise the current closer to 25mA, it would be advisable to switch to the 25mA version. Yes, the 1:1.125 connection is Alt. S. The difference in transformer gappings suggested for Alt.S and Alt. Q means nothing as these were simply meant as examples. The gap selected should be judged based on the bias current necessary to properly operate the tube. Yes, the change of ratio and gapping has consequences for the maximum Rp allowable to get adequate frequency response. For example, you need enough inductance for the tube of choice to ensure adequate low frequency response.
Kevin Carter
K&K Audio
www.kandkaudio.com
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Follow Ups
- Re: Thanks, but more questions ... - KevinC 13:02:54 11/01/04 (1)
- Re: Thanks for your help (nt) - HKL 19:18:09 11/01/04 (0)
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